Smith Eye Tuner Fines!! Preferred Element (4 Pieces): 1. Adopts slits of 0.02 inch (0.6 mm) / 0.03 inch (0.7 mm) / 0.8 mm (3 types); 2) Optimizes the line eye diameter of each lure; 2. When it is on one side; Improve your work efficiency; 3) Know the position of the slits. Suitable for continuous work. Environmental Creation (3 Pieces): 5) Resin flat grip like a reel knob; Easy to pick even if you have a hand in the winter or wearing gloves. 6. Highly visible grip: People who are hanging a lot of accessories, or put it in the lure case. 7. Easy to see and retrieve with line eye adhesive paint (burrs) → By removing tight clearance. Can be removed to maximize lure action You can use it. An essential element for those who are concerned about